Bunn LCA-1 Installation & Operating Manual
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Bunn LCA-1 Installation & Operating Manual

Bunn LCA-1 Installation & Operating Manual

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RELEASED FOR PRODUCTION
LCA-1
LCA-1A
INSTALLATION & OPERATING GUIDE
BUNN-O-MATIC CORPORATION
POST OFFICE BOX 3227
SPRINGFIELD, ILLINOIS 62708-3227
PHONE: (217) 529-6601
FAX: (217) 529-6644
To ensure you have the latest revision of the Operating Manual, or to view the Illustrated Parts
Catalog, Programming Manual, or Service Manual, please visit the Bunn-O-Matic website, at
www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog and
manual updates. For Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070.
44806.0001F
07/14 ©2011 Bunn-O-Matic Corporation
DIR Num: 44806.0001
08, October 2014

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  • Page 1 To ensure you have the latest revision of the Operating Manual, or to view the Illustrated Parts Catalog, Programming Manual, or Service Manual, please visit the Bunn-O-Matic website, at www.bunn.com. This is absolutely FREE, and the quickest way to obtain the latest catalog and manual updates. For Technical Service, contact Bunn-O-Matic Corporation at 1-800-286-6070.

  • Page 2: Table Of Contents

    AS SPECIFIED HEREIN, TO REPAIR, REPLACEMENT OR REFUND. In no event shall BUNN be liable for any other damage or loss, including, but not limited to, lost profits, lost sales, loss of use of equipment, claims of Buyer’s customers, cost of capital, cost of down time, cost of substitute equipment, facilities or services, or any other special, incidental or consequential damages.

  • Page 3: User Notices

    The LCA-1 is supplied with a 120-volt / 15 Amp cord set and require a 2-wire, grounded, individual branch circuit rated for 120 volts AC, 15 amp, single phase, 60Hz. The mating connector must be a NEMA 5-15R.

  • Page 4: Initial Set-Up

    INITIAL SET-UP OPERATING CONTROLS AND INTERFACE User Interface: NOTE: The dispenser weighs approximately 40 lbs. (18 kg), when empty. If necessary, use more than one person when lifting or moving the dispenser. 1. Cut the plastic bands and remove the top box and other packing. 2.

  • Page 5: Installing Pump Tubing

    5. Inspect pump bands for signs of wear and replace if necessary. 6. Apply lubricant (BUNN-O-MATIC part no. M2548.1000) to the middle section of the new pump tubing.(Fig 2) 7. Wrap the new pump tubing around the rotor, making sure the elbow is snug against the inlet of the pump.(Fig3) 8.

  • Page 6: Initial Fill & Heat

    INITIAL FILL & HEAT Rinse Alarm Feature 1. Select Normal and Run on the Selector switches. Periodic rinsing of the dispense tip is essential for proper maintenance and optimum performance of the dispenser. 2. Confirm the water supply is on. The automated Rinse Alarm feature has two levels of operation, Disabled and Warning.

  • Page 7: Programming The Dispenser

    PROGRAMMING THE DISPENSER PROGRAMMING THE DISPENSER (Cont.) Two basic modes are available to the operator: Display Mode and Program Mode. Open the dispenser door to Program Mode : Used to change or enter new set-up values. access the digital Programming Switches with LED display. To enter the Display Mode, Set the RUN/NIGHT/ To enter the Program Mode, Set the RUN/NIGHT/PROGRAM Switch to the PROGRAM position, the unit will PROGRAM Switch to the RUN position.

  • Page 8: Operating The Dispenser

    GENERAL CLEANING AND SANITIZING PROCEDURES Set the Function Selector Switch to “Normal” and the Mode Selector Switch to “Run.” Note: The BUNN® LCA-1 dispenser incorporates a “user selectable” rinse reminder feature, which displays 1A. Push and Hold Dispense Mode (Cup at a time).

  • Page 9: Replacing The Pump Tubing

    Corporation recommends that preventive maintenance be performed at regular intervals. Maintenance ® NOTE: The LCA-1 is calibrated at the factory and does not normally need to be re-calibrated. Open the dispenser should be performed by a qualified service technician. For Technical Service, contact Bunn-O-Matic Corporation at ®...

  • Page 10: Troubleshooting Guide

    If the problem Reset by holding the Decrease (-) remains after exhausting the troubleshooting steps, contact the Bunn-O-Matic Technical Service Department. switches for 10 sec. Currently have to hold (+) & (-)
  • Page 11 CALIBRATION OF THE CONCENTRATE PUMP & DISPENSER FLOW RATE CALIBRATION OF THE CONCENTRATE PUMP & DISPENSER FLOW RATE (Continued) The factory set default values for the Pump & Dispenser Flow Rates are very accurate and typically do not need to be field calibrated. However, if the mix ratio accuracy is ever in question, this procedure can be used to reca- Calibrating the Dispenser Flow Rates.
  • Page 12 WHI/ORG SECONDARY 120 VOLTS AC 2 WIRE + GRD SINGLE PHASE, 60 HZ 44869.0001B 10/13 © 2012 Bunn-O-Matic Corporation 220 - 240 VOLTS AC 2 WIRE + GRD SINGLE PHASE, 50/60 HZ 44869.0003A 1/14 © 2014 Bunn-O-Matic Corporation 44806.1 110413 44806.1 072914...

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Lca-1a

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